Circuit Breaker
Meba mcb breaker MB45DC
Product Description
Meba mcb breaker MB45DC series miniature circuit breaker applies to industrial, commercial, lighting and electric machine distribution system with AC415V, 50/60Hz, rated working current up to 100A to protect against overload and short circuit. The item is installed into plug-in type mounting base. It’s conformity with GB10963, IEC60898 standards.Meba mcb breaker MB45DC
Technical parameters
| Frame rated current Imm (A) | Pole | Width/Pole (18mm times) | Rated Voltage (V) | Rated Current In(A) | Rated limit short circuit capacity | Instantaneous breaking type | |
| Breaking current Icu(A) | Time T(ms) | ||||||
| 63 | 1 | 1 | DC125 | 1, 2, 3, 4, 5, 6, 10, 15, 16, 20, 25, 32, 40, 50, 63A | 10000 | 10 | C, D |
| 2 | 2 | DC250 | |||||
| 3 | 3 | DC440 | 6000 | 10 | C, D | ||
Time-current operation
| Tes | Type | Test Current | First Condition | Time limit release or un-release | Expect result | Note |
| a | C,D | 1.13ln | Cold | t≥1h(ln≤63) | Un-Release | |
| b | C,D | 1.45ln | Containue A Type Test | t<1h(ln≤63) | Release | Current in within 5 steadily up |
| c | C | 8ln | Cold | t≥0.1s | Un-Release | Closed auxiliary switch processing power |
| 12ln | t<0.1s | Release | ||||
| d | D | 10ln | Cold | t≥0.1s | Un-Release | |
| 14ln | t<0.1s | Release |
Meba mcb breaker MB45DC
series miniature circuit breaker applies to industrial, commercial, lighting and electric machine distribution system with AC415V, 50/60Hz, rated working current up to 100A to protect against overload and short circuit. The item is installed into plug-in type mounting base. It’s conformity with GB10963, IEC60898 standards.
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